/**
 * Copyright (c) 2002-2011 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.index.impl.lucene;

import org.neo4j.graphdb.GraphDatabaseService;
import org.neo4j.graphdb.Node;
import org.neo4j.graphdb.index.Index;
import org.neo4j.graphdb.index.IndexHits;

public class WorkThread extends BaseWorker
{
    public WorkThread( Index<Node> index, GraphDatabaseService graphDb ) 
    {
        super( index, graphDb );
    }

    public void createNodeAndIndexBy( String key, String value )
    {
        queueCommand( new CreateNodeAndIndexByCommand( key, value ) );
    }

    public void deleteIndex()
    {
        queueCommand( new DeleteIndexCommand() );
    }

    public IndexHits<Node> queryIndex( String key, Object value )
    {
        QueryIndexCommand cmd = new QueryIndexCommand( key, value );
        queueCommand( cmd );
        return cmd.getResult();
    }

    public void commit()
    {
        queueCommand( new CommitCommand() );
    }

    public void beginTransaction()
    {
        queueCommand( new BeginTransactionCommand() );
    }

    public void removeFromIndex( String key, String value )
    {
        queueCommand( new RemoveFromIndexCommand( key, value ) );
    }

    public void rollback()
    {
        queueCommand( new RollbackCommand() );
    }

    public boolean hasException()
    {
        return exception != null;
    }

    public void die()
    {
        queueCommand( new DieCommand() );
    }
}